Laboratory device



FIG. 1 is a top plan view of a laboratory device showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front and left side perspective view thereof; and,

FIG. 5 is a front view thereof.

The broken lines in FIGS. 1 and 4 are included for the purpose of illustrating portions of the laboratory device that form no part of the claimed design. 

CLAIM The ornamental design for a laboratory device, substantially as shown and described. 